#include<stdio.h>
#include<string.h>

#define PRAISE "You are extraordinary being."

int main(void) {

    char name[40];
    printf("What's your name? ");
    scanf("%s", name);
    // The %s tells printf() to print a string.
    printf("Hello, %s. %s \n", name, PRAISE);

    printf("Your name of %zd letters occupies %zd memory cells.\n", strlen(name), sizeof name);
    printf("The phrase praise has %zd letters occupies %zd memory cells.\n", strlen(PRAISE), sizeof PRAISE);

    return 0;
}